Solving Equations Using Substitution

Solve the system of equations by substitution.
2x-8y=4

y=2x-4

• No solution

• (-6, 0)

• (2, 0)

• (3, 0)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve the system of equations by substitution.
2x+4y=18
y=-4x+8

• (-1, -4)

• (1, -4)

• (1, 4)

• (-3, -4)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Given the following system of equations, Student A says the solution is (7, -5); and Student B says the solution is (-7, -5). Which student is correct?

• Student A

• Student B

• Neither student is correct

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

What is the X-VALUE in the (X, Y) solution to the following system of equations?

• 8

• -3

• 0

• -6

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

What is the Y-VALUE in the (X, Y) solution to the following system of equations?

• -6

• 2

• -2

• 6

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

• (3, 2)

• (2, 3)

• (3, -2)

• (-3, -2)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

• Student A

• Student B

• Neither student substituted correctly

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

• (4, 12)

• (12, 4)

• (-4. 12)

• (12, -4)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

• (1, 3)

• (-1, 4)

• (4, -1)

• (3, 1)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve the following systems of equations using substitution:

y = 3 - x

3y + x = 5

• No solution

• (1, 2)

• (3, 0)

• (2, 1)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6